Xerox DocuColor 12/DCCS50, Service Manual

Page: 1157 / 1617

1/05
8d-15 DocuColor 12/DCCS50
11-143 Mailbox Entrance Sensor Off Jam RAP
Finisher/Sorter
Reissue
11-143 Mailbox Entrance Sensor Off Jam RAP
The Mailbox Entrance Sensor did not deactuate within the specified time after the V-Tra In Sen-
sor actuated.
Initial Actions
Refer to BSD12.5 and BSD12.7 for the following procedure.
Check for the following:
•
Obstructions in the Mailbox paper path
• Bent or out of position paper chutes/guides in the Mailbox paper path
• Ensure that the Mailbox front Door is closed properly, in order to provide proper nip pres-
sure to the Vertical Transport Rolls.
• Ensure that connectors P/J1004 on the Mailbox PWB, P/J1022 double plug, P/J1023
and P/J1024 , on the Mailbox Vertical Sensor is seated correctly and there are no obvious
crimped or broken wires.
Procedure
The trail edge of the paper is past the SCT Exit Sensor
Y
N
Enter dC330 012-005 Mailbox Drive Motor. Press Start . The Mailbox Transport Roll is
rotating.
Y
N
The Mailbox Drive Belt is moving.
Y N
The Mailbox Drive Motor is rotating
Y
N
+24 VDC is measured between
P/J1021 -1 and P/J1021 -2 of the Mail-
box Drive Motor
Y
N
Go to Flag 2 and Flag 3 on BSD12.5. Check the wires for an open
circuit. If the wires are good, replace the Mailbox PWB ( PL 18.11 ).
Press Stop . +5 VDC is measured between P/J1021 -3 and GND.
Y N
Go to Flag 1 and Flag 2 on BSD12.5. Check the wire for an open cir-
cuit. If the wire is good, replace the Mailbox PWB ( PL 18.11 ).
Press Start. Less than +1 VDC is measured between P/J1021 -3 and
GND.
Y
N
Replace the Mailbox PWB ( PL 18.11 ). If the problem continues,
replace the Finisher PWB ( PL 18.4 ).
Replace the Mailbox Drive Motor ( PL 18.10 ).
Ensure that the Mailbox Drive Motor Pulley is fastened to the motor shaft.
• Check the Drive Belt Tension Pulley for proper tension
• Check the Drive Belt for Damage
• Check that the gear pulleys are properly fastened to the drive rolls
Check the following parts for wear, glazing, or slipping.
•
Mailbox Entrance Roll ( PL 18.10 )
• Pinch Rollers ( PL 18.12 )
• SCT Exit Roll ( PL 18.10 )
• Drive Belt ( PL 18.10 )
Check the Drive Belt Tension Roll for proper tension.
Check the Mailbox Entrance Sensor Actuator for binding as it moves in and out of the sensor.
The actuator is binding.
Y
N
Check for obvious damage, missing and/or broken Drive Motor gear assemblies and drive
belts that would cause the fed paper to be slow to deactuate the Mailbox Entrance Sen-
sor.
Replace the Mailbox Entrance Sensor ( PL 18.13 ).
A
A
B
B